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Analysis of methods for determining electromechanical coupling coefficients of piezoelectric elements

โœ Scribed by S. Chang; N. Rogacheva; C. Chou


Book ID
126765195
Publisher
IEEE
Year
1995
Tongue
English
Weight
513 KB
Volume
42
Category
Article
ISSN
0885-3010

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Extraction of electromechanical coupling
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A method to extract the electromechanical couplig coecient k 2 t of the thickness extensional mode of a piezoelectric thin ยฎlm deposited on a substrate is presented, in which a two-layer structure is as a composite resonator. Based on the method proposed by Wang et al. (IEEE Trans. UFFC 46 (1999) 13